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<head><meta charset="utf-8"><title>macOS Apple production hardware · t-compiler/arm · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/index.html">t-compiler/arm</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html">macOS Apple production hardware</a></h3>

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<a name="216228365"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216228365" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216228365">(Nov 10 2020 at 15:36)</a>:</h4>
<p>Fingers crossed for some kind of server / rack-compatible hardware to be announced today; seems like the best bet for CI partners.</p>



<a name="216242758"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216242758" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216242758">(Nov 10 2020 at 17:14)</a>:</h4>
<p>let's hope the rumors are wrong then</p>



<a name="216253632"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216253632" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216253632">(Nov 10 2020 at 18:33)</a>:</h4>
<div class="message_inline_image"><a href="https://photos.reportinglive.com/p/2020-11-10/f1605033066.jpg"><img src="https://photos.reportinglive.com/p/2020-11-10/f1605033066.jpg"></a></div>



<a name="216253648"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216253648" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216253648">(Nov 10 2020 at 18:33)</a>:</h4>
<p>Nailed it.</p>



<a name="216253705"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216253705" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216253705">(Nov 10 2020 at 18:33)</a>:</h4>
<p>I rather hope that those are actual lights and not just part of the slides.</p>



<a name="216253721"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216253721" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216253721">(Nov 10 2020 at 18:34)</a>:</h4>
<p>just to see the server racks.</p>



<a name="216253893"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216253893" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216253893">(Nov 10 2020 at 18:35)</a>:</h4>
<p>$699 base price. We can fill up Pietro Albini's house at that price.</p>



<a name="216254000"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216254000" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216254000">(Nov 10 2020 at 18:35)</a>:</h4>
<p>Max of 16GB RAM though. Sad.</p>



<a name="216254224"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216254224" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Gus Wynn <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216254224">(Nov 10 2020 at 18:37)</a>:</h4>
<p>very curious they would regress the max ram from the x86 mac minis...</p>



<a name="216254803"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216254803" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216254803">(Nov 10 2020 at 18:41)</a>:</h4>
<p>The 13" Macbook Pros also max out at 16GB</p>



<a name="216254825"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216254825" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216254825">(Nov 10 2020 at 18:41)</a>:</h4>
<p>is that true right now?</p>



<a name="216254966"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216254966" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216254966">(Nov 10 2020 at 18:42)</a>:</h4>
<p>wait what are they capping the ram on the mac mini?</p>



<a name="216255031"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255031" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255031">(Nov 10 2020 at 18:42)</a>:</h4>
<blockquote>
<p>Order starting today, available next week.</p>
</blockquote>



<a name="216255194"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255194" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255194">(Nov 10 2020 at 18:43)</a>:</h4>
<p>and like, it's <em>up to</em> 3x faster than the i3-8100?</p>



<a name="216255230"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255230" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Gus Wynn <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255230">(Nov 10 2020 at 18:43)</a>:</h4>
<p><a href="https://www.apple.com/mac-mini/specs/">https://www.apple.com/mac-mini/specs/</a> website says they have 64gb x86 mac minis <br>
Also lol: <a href="/user_uploads/4715/Ydg2Gw1e60FY-6s2rKlHC19C/image.png">image.png</a></p>
<div class="message_inline_image"><a href="/user_uploads/4715/Ydg2Gw1e60FY-6s2rKlHC19C/image.png" title="image.png"><img src="/user_uploads/4715/Ydg2Gw1e60FY-6s2rKlHC19C/image.png"></a></div>



<a name="216255238"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255238" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255238">(Nov 10 2020 at 18:43)</a>:</h4>
<p>It sounds like it based on the picture. Waiting for the store to re-open...</p>



<a name="216255294"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255294" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255294">(Nov 10 2020 at 18:44)</a>:</h4>
<p>the i3-8100?</p>



<a name="216255304"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255304" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255304">(Nov 10 2020 at 18:44)</a>:</h4>
<p>ugh</p>



<a name="216255358"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255358" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255358">(Nov 10 2020 at 18:44)</a>:</h4>
<p><span class="user-mention" data-user-id="257428">@Gus Wynn</span> that's still the intel ones</p>



<a name="216255403"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255403" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255403">(Nov 10 2020 at 18:44)</a>:</h4>
<p>I think they know :-)</p>



<a name="216255423"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255423" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255423">(Nov 10 2020 at 18:45)</a>:</h4>
<p>Pointing out the before.</p>



<a name="216255436"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255436" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255436">(Nov 10 2020 at 18:45)</a>:</h4>
<p>oh lol woops</p>



<a name="216255497"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255497" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Gus Wynn <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255497">(Nov 10 2020 at 18:45)</a>:</h4>
<p>it makes no sense to me that they would just randomly limit the ram size of a new device to worse than the previous one, but apple works in...mysterious ways?</p>



<a name="216255528"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255528" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255528">(Nov 10 2020 at 18:45)</a>:</h4>
<div class="message_inline_image"><a href="https://photos.reportinglive.com/p/2020-11-10/f1605031879.jpg"><img src="https://photos.reportinglive.com/p/2020-11-10/f1605031879.jpg"></a></div>



<a name="216255585"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255585" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255585">(Nov 10 2020 at 18:46)</a>:</h4>
<p>I'm assuming it's not <em>random</em></p>



<a name="216255697"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255697" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255697">(Nov 10 2020 at 18:46)</a>:</h4>
<p>The Macbooks were stalled at a relatively low max for a long while due to some issues with compatibility with low-power RAM chips.</p>



<a name="216255805"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255805" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255805">(Nov 10 2020 at 18:47)</a>:</h4>
<p>I bet there were a bunch of employees gnashing their teeth that any easily comparable stats were &lt; previous gen.</p>



<a name="216255990"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216255990" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216255990">(Nov 10 2020 at 18:49)</a>:</h4>
<p><a href="https://www.apple.com/mac-mini/specs/">https://www.apple.com/mac-mini/specs/</a></p>



<a name="216256004"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216256004" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216256004">(Nov 10 2020 at 18:49)</a>:</h4>
<p>ok it's actually confirmed a max of 16gb ram</p>



<a name="216256006"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216256006" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216256006">(Nov 10 2020 at 18:49)</a>:</h4>
<p>why</p>



<a name="216256179"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216256179" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216256179">(Nov 10 2020 at 18:50)</a>:</h4>
<p>so like</p>



<a name="216256217"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216256217" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Gus Wynn <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216256217">(Nov 10 2020 at 18:50)</a>:</h4>
<p>wait how much memory does a typical rust ci run use?</p>



<a name="216256222"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216256222" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216256222">(Nov 10 2020 at 18:50)</a>:</h4>
<p>what if someone needs to compile something on apple silicon that takes more than 16gb of ram?</p>



<a name="216256366"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216256366" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Gus Wynn <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216256366">(Nov 10 2020 at 18:51)</a>:</h4>
<p>its already bad enough that people have to make racks of machines that are actually just desktop computers, I have no idea why apple doesnt seem to care about ci for other companies</p>



<a name="216256767"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216256767" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216256767">(Nov 10 2020 at 18:54)</a>:</h4>
<p>our mac builders are atm 12gb of ram</p>



<a name="216256833"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216256833" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216256833">(Nov 10 2020 at 18:54)</a>:</h4>
<p>I don't have stats for peak usage</p>



<a name="216256862"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216256862" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216256862">(Nov 10 2020 at 18:54)</a>:</h4>
<p>but like, that's still one mac mini per build</p>



<a name="216257142"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216257142" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216257142">(Nov 10 2020 at 18:56)</a>:</h4>
<p>They are making a big deal about "unified" memory. They can't mean... unified between CPU and GPU, can they?</p>



<a name="216257220"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216257220" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Gus Wynn <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216257220">(Nov 10 2020 at 18:56)</a>:</h4>
<p>store is open, its 16gb and its 200$ to upgrade from 8gb</p>



<a name="216257251"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216257251" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216257251">(Nov 10 2020 at 18:57)</a>:</h4>
<p>They also aren't listing GHz numbers anywhere obvious.</p>



<a name="216257292"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216257292" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Gus Wynn <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216257292">(Nov 10 2020 at 18:57)</a>:</h4>
<p>"All iOS and tvOS devices have a unified memory model in which the CPU and the GPU share system memory. "<br>
<a href="https://developer.apple.com/documentation/metal/setting_resource_storage_modes/choosing_a_resource_storage_mode_in_ios_and_tvos?language=objc">https://developer.apple.com/documentation/metal/setting_resource_storage_modes/choosing_a_resource_storage_mode_in_ios_and_tvos?language=objc</a></p>
<p>if thats true for the mini thats...cursed</p>



<a name="216257318"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216257318" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216257318">(Nov 10 2020 at 18:57)</a>:</h4>
<p>Same for the macbook pro.</p>



<a name="216257483"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216257483" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Gus Wynn <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216257483">(Nov 10 2020 at 18:58)</a>:</h4>
<p>they are just big....phones...now?</p>



<a name="216257991"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216257991" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> simulacrum <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216257991">(Nov 10 2020 at 19:01)</a>:</h4>
<p><span class="user-mention" data-user-id="116155">@Jake Goulding</span> I think memory is usually unified between CPU/GPU on integrated GPUs, though, right?</p>



<a name="216258030"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216258030" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216258030">(Nov 10 2020 at 19:02)</a>:</h4>
<p><span aria-label="earth americas" class="emoji emoji-1f30e" role="img" title="earth americas">:earth_americas:</span> <span aria-label="man" class="emoji emoji-1f468" role="img" title="man">:man:</span>🏼‍🚀 <span aria-label="gun" class="emoji emoji-1f52b" role="img" title="gun">:gun:</span> :👩🏽‍🚀 </p>
<p>"always has been"</p>



<a name="216258122"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216258122" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216258122">(Nov 10 2020 at 19:02)</a>:</h4>
<p>Wow Zulip did a number on my emoji art.</p>



<a name="216258198"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216258198" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216258198">(Nov 10 2020 at 19:02)</a>:</h4>
<p><span class="user-mention" data-user-id="116122">@simulacrum</span> yep. I guess I have a model with a discrete GPU</p>



<a name="216258532"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216258532" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216258532">(Nov 10 2020 at 19:05)</a>:</h4>
<p>An optimistic person:</p>
<blockquote>
<p>SSD performance with their integrated IO controller might close the gap here, the same way that pretty fast storage on their iPhones makes the lack of RAM there not so debilitating.</p>
</blockquote>



<a name="216258994"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216258994" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Gus Wynn <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216258994">(Nov 10 2020 at 19:08)</a>:</h4>
<p>Talked to some friends, apparently for a while now anything with an igpu has probably been doing this for a while (directly using system ram) but apple MAY be marketing it differently? but maybe they changed something</p>



<a name="216259128"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216259128" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216259128">(Nov 10 2020 at 19:09)</a>:</h4>
<p><span class="user-mention" data-user-id="121055">@Pietro Albini</span> for your speed points:</p>
<p>The 2.8x faster CPU claim is based on the following fine print:</p>
<blockquote>
<p>Testing conducted by Apple in October 2020 using preproduction 13-inch MacBook Pro systems with Apple M1 chip, as well as production 1.7GHz quad-core Intel Core i7-based 13-inch MacBook Pro systems, all configured with 16GB RAM and 2TB SSD. Open source project built with prerelease Xcode 12.2 with Apple Clang 12.0.0, Ninja 1.10.0.git, and CMake 3.16.5. Performance tests are conducted using specific computer systems and reflect the approximate performance of MacBook Pro.</p>
</blockquote>



<a name="216259311"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216259311" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216259311">(Nov 10 2020 at 19:10)</a>:</h4>
<div class="message_inline_image"><a href="https://www.apple.com/v/mac/m1/a/images/overview/chip__fffqz3ljssi2_large_2x.jpg"><img src="https://www.apple.com/v/mac/m1/a/images/overview/chip__fffqz3ljssi2_large_2x.jpg"></a></div>



<a name="216259327"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216259327" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216259327">(Nov 10 2020 at 19:10)</a>:</h4>
<p>pretty and shiny</p>



<a name="216260718"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216260718" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Gus Wynn <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216260718">(Nov 10 2020 at 19:20)</a>:</h4>
<p><span class="user-mention silent" data-user-id="257428">Gus Wynn</span> <a href="#narrow/stream/242906-t-compiler.2Farm/topic/macOS/near/216258994">said</a>:</p>
<blockquote>
<p>Talked to some friends, apparently for a while now anything with an igpu has probably been doing this for a while (directly using system ram) but apple MAY be marketing it differently? but maybe they changed something</p>
</blockquote>
<p>maybe they are making their own ram, anecdotally my macbook has samsung manufactured ram (i think)</p>



<a name="216262410"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216262410" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216262410">(Nov 10 2020 at 19:33)</a>:</h4>
<p><span class="user-mention" data-user-id="116155">@Jake Goulding</span> any idea what's the <em>actual</em> chip they're comparing with?</p>



<a name="216262439"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216262439" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216262439">(Nov 10 2020 at 19:33)</a>:</h4>
<p>struggling to find a 1.7ghz core i7</p>



<a name="216262734"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216262734" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216262734">(Nov 10 2020 at 19:35)</a>:</h4>
<p>I think it's <a href="https://everymac.com/systems/apple/macbook_pro/specs/macbook-pro-core-i7-1.7-quad-core-13-2019-touch-bar-2-thunderbolt-3-ports-specs.html">https://everymac.com/systems/apple/macbook_pro/specs/macbook-pro-core-i7-1.7-quad-core-13-2019-touch-bar-2-thunderbolt-3-ports-specs.html</a></p>



<a name="216262775"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216262775" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216262775">(Nov 10 2020 at 19:36)</a>:</h4>
<div class="codehilite"><pre><span></span><code>Core i7 (I7-8557U)
</code></pre></div>



<a name="216263103"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216263103" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216263103">(Nov 10 2020 at 19:38)</a>:</h4>
<p>so they're comparing the performance of a laptop chip</p>



<a name="216263105"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216263105" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216263105">(Nov 10 2020 at 19:38)</a>:</h4>
<p><em>sigh</em></p>



<a name="216263205"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216263205" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216263205">(Nov 10 2020 at 19:38)</a>:</h4>
<p>eh?</p>
<blockquote>
<p>using preproduction 13-inch <strong>MacBook Pro</strong> systems with Apple M1 chip, as well as production 1.7GHz quad-core Intel Core i7-based 13-inch <strong>MacBook Pro</strong> systems</p>
</blockquote>



<a name="216263241"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216263241" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216263241">(Nov 10 2020 at 19:39)</a>:</h4>
<p>whelp</p>



<a name="216263271"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216263271" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216263271">(Nov 10 2020 at 19:39)</a>:</h4>
<p>my brain mixed phrases</p>



<a name="216263296"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216263296" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216263296">(Nov 10 2020 at 19:39)</a>:</h4>
<p>they're gathering those stats comparing mobile chips</p>



<a name="216263326"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216263326" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216263326">(Nov 10 2020 at 19:39)</a>:</h4>
<p>and then they did put the chip that resulted into a mac mini :(</p>



<a name="216263413"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216263413" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216263413">(Nov 10 2020 at 19:40)</a>:</h4>
<p>I can't write today</p>



<a name="216266082"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216266082" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216266082">(Nov 10 2020 at 20:02)</a>:</h4>
<p>yeah, it does seem to be the same chip in all 3 machines. Some speculation that the main difference is cooling</p>



<a name="216266101"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216266101" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216266101">(Nov 10 2020 at 20:02)</a>:</h4>
<p>air &lt; macbook pro &lt; mini</p>



<a name="216268398"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216268398" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Pietro Albini <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216268398">(Nov 10 2020 at 20:20)</a>:</h4>
<p>not shipping a fan on the "air" (LOL) will definitely impact cooling...</p>



<a name="216422906"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216422906" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216422906">(Nov 12 2020 at 03:08)</a>:</h4>
<p><a href="https://browser.geekbench.com/v5/cpu/4651056">https://browser.geekbench.com/v5/cpu/4651056</a></p>



<a name="216422916"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216422916" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216422916">(Nov 12 2020 at 03:08)</a>:</h4>
<blockquote>
<p>3.14 GHz</p>
</blockquote>



<a name="216460827"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216460827" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216460827">(Nov 12 2020 at 12:28)</a>:</h4>
<p><a href="https://www.macrumors.com/2020/11/11/m1-macbook-air-first-benchmark/">https://www.macrumors.com/2020/11/11/m1-macbook-air-first-benchmark/</a></p>



<a name="216605763"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216605763" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216605763">(Nov 13 2020 at 12:53)</a>:</h4>
<p>note also that M1 is a big.LITTLE chip, with 1 of the cores being fast, 3 slower ones and 4 even slower ones.</p>



<a name="216605789"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216605789" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216605789">(Nov 13 2020 at 12:53)</a>:</h4>
<p>so benchmarks for single-threaded workloads may not be representative of ours (which is heavily multithreaded)</p>



<a name="216605879"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216605879" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216605879">(Nov 13 2020 at 12:54)</a>:</h4>
<p>Still very curious to see what the actual performance compiling rustc will be.</p>



<a name="216633684"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216633684" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216633684">(Nov 13 2020 at 16:14)</a>:</h4>
<p><span class="user-mention silent" data-user-id="123586">nagisa</span> <a href="#narrow/stream/242906-t-compiler.2Farm/topic/macOS/near/216605879">said</a>:</p>
<blockquote>
<p>Still very curious to see what the actual performance compiling rustc will be.</p>
</blockquote>
<p>The DTK has generally been as fast or faster than my "2.9 GHz 6-Core Intel Core i9".</p>



<a name="216633870"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216633870" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216633870">(Nov 13 2020 at 16:15)</a>:</h4>
<p>I'll do a <code>x.py clean</code> now and then a <code>--stage 2</code> build and report back.</p>



<a name="216634001"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216634001" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216634001">(Nov 13 2020 at 16:16)</a>:</h4>
<p>Although TIL that one of the fast cores is faster than the others.</p>



<a name="216645229"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216645229" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216645229">(Nov 13 2020 at 17:34)</a>:</h4>
<div class="codehilite"><pre><span></span><code>Build completed successfully in 0:29:04
</code></pre></div>
<p>That's not building LLVM</p>



<a name="216645351"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216645351" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216645351">(Nov 13 2020 at 17:35)</a>:</h4>
<p>"the A12Z [in the DTK] is clocked at 2.4GHz"</p>



<a name="216645534"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216645534" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216645534">(Nov 13 2020 at 17:36)</a>:</h4>
<p><span class="user-mention" data-user-id="123586">@nagisa</span> ^</p>



<a name="216666798"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216666798" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216666798">(Nov 13 2020 at 20:12)</a>:</h4>
<p>I see. It sounds like reasonably fast hardware will be available for CI with M1.</p>



<a name="216666976"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216666976" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216666976">(Nov 13 2020 at 20:14)</a>:</h4>
<p>I tried to find where I saw the information about core setup but not finding it again. Might have also been a rumour.</p>



<a name="216677235"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216677235" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216677235">(Nov 13 2020 at 21:42)</a>:</h4>
<p>I'm a Mac / Apple fanboy, but I think it's reasonable to be excited for this new Arm world.</p>



<a name="216677332"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216677332" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216677332">(Nov 13 2020 at 21:43)</a>:</h4>
<p>Except for this one annoying LLVM assertion I can't debug yet.</p>



<a name="216826142"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/216826142" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#216826142">(Nov 16 2020 at 01:58)</a>:</h4>
<p><a href="https://www.macrumors.com/2020/11/15/m1-chip-emulating-x86-benchmark/">Apple Silicon M1 Emulating x86 is Still Faster Than Every Other Mac in Single Core Benchmark</a></p>



<a name="217042871"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/242906-t-compiler/arm/topic/macOS%20Apple%20production%20hardware/near/217042871" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jake Goulding <a href="https://rust-lang.github.io/zulip_archive/stream/242906-t-compiler/arm/topic/macOS.20Apple.20production.20hardware.html#217042871">(Nov 17 2020 at 18:28)</a>:</h4>
<p><a href="https://news.ycombinator.com/item?id=25126394">16-inch MBP with i9 2x slower than M1 MacBook Air in a real world Rust compile</a></p>
<p><a href="https://twitter.com/rikarends/status/1328598935380910082">https://twitter.com/rikarends/status/1328598935380910082</a></p>
<div class="inline-preview-twitter"><div class="twitter-tweet"><a href="https://twitter.com/rikarends/status/1328598935380910082"><img class="twitter-avatar" src="https://pbs.twimg.com/profile_images/563726395403014145/C2XOSm9R_normal.png"></a><p>It's hard to believe, a hot running fan blasting i9 loses by a factor 2 in a real world Rust compile from a passively cooled M1 macbook air. This has consequences.</p><span>- Rik Arends (@rikarends)</span></div></div>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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